#define _CRT_SECURE_NO_WARNINGS 1

#include<iostream>
#include<string>
using namespace std;

void test()
{
	string s1;
	string s2("hello");
	string s3(s2);
}


int main1()
{
	char a[1000];

	for (int i = 0; i < 999; i++)
	{
		a[i] = -1 - i;
	}

	cout << strlen(a) << endl;
	return 0;
}

int main()
{
	string s1;
	string s2("hello");
	string s3(s2);

	cin >> s1 ;

	cout << s1 << endl << s2 << endl << s3 << endl;

	return 0;
}
